Search

Sudhakar Katakam

Examiner (ID: 3716, Phone: (571)272-9929 , Office: P/1671 )

Most Active Art Unit
1658
Art Unit(s)
1671, 1658, 1621, 1676
Total Applications
1837
Issued Applications
1259
Pending Applications
130
Abandoned Applications
475

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19978443 [patent_doc_number] => 12345917 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-01 [patent_title] => Optical integrated circuit [patent_app_type] => utility [patent_app_number] => 18/292541 [patent_app_country] => US [patent_app_date] => 2022-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 18 [patent_no_of_words] => 2362 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 274 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18292541 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/292541
Optical integrated circuit Jul 27, 2022 Issued
Array ( [id] => 18006536 [patent_doc_number] => 20220365302 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-17 [patent_title] => ENCLOSURE BOX FOR FIBER OPTIC CABLE [patent_app_type] => utility [patent_app_number] => 17/874028 [patent_app_country] => US [patent_app_date] => 2022-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3854 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17874028 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/874028
Enclosure box for fiber optic cable Jul 25, 2022 Issued
Array ( [id] => 19924278 [patent_doc_number] => 12298558 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-13 [patent_title] => Optical isolator integrated with optical devices [patent_app_type] => utility [patent_app_number] => 17/866335 [patent_app_country] => US [patent_app_date] => 2022-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 23 [patent_no_of_words] => 4457 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17866335 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/866335
Optical isolator integrated with optical devices Jul 14, 2022 Issued
Array ( [id] => 17984143 [patent_doc_number] => 20220350180 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-03 [patent_title] => DISSIPATING HEAT FROM AN ACTIVE REGION OF AN OPTICAL DEVICE [patent_app_type] => utility [patent_app_number] => 17/864591 [patent_app_country] => US [patent_app_date] => 2022-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5306 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17864591 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/864591
Dissipating heat from an active region of an optical device Jul 13, 2022 Issued
Array ( [id] => 19092281 [patent_doc_number] => 11953730 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-09 [patent_title] => Method of fabricating semiconductor structure [patent_app_type] => utility [patent_app_number] => 17/862382 [patent_app_country] => US [patent_app_date] => 2022-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 21 [patent_no_of_words] => 5362 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17862382 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/862382
Method of fabricating semiconductor structure Jul 10, 2022 Issued
Array ( [id] => 18896715 [patent_doc_number] => 20240012200 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-11 [patent_title] => GRATINGS WITH NON-RECTANGULAR SEGMENTS [patent_app_type] => utility [patent_app_number] => 17/861345 [patent_app_country] => US [patent_app_date] => 2022-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3483 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17861345 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/861345
Gratings with non-rectangular segments Jul 10, 2022 Issued
Array ( [id] => 18414349 [patent_doc_number] => 11668887 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-06 [patent_title] => Optical module [patent_app_type] => utility [patent_app_number] => 17/810033 [patent_app_country] => US [patent_app_date] => 2022-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 5263 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17810033 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/810033
Optical module Jun 29, 2022 Issued
Array ( [id] => 17991476 [patent_doc_number] => 20220357513 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-10 [patent_title] => OPTICAL CONNECTOR WITH TILTED MIRROR [patent_app_type] => utility [patent_app_number] => 17/851384 [patent_app_country] => US [patent_app_date] => 2022-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9138 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17851384 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/851384
Optical connector with tilted mirror Jun 27, 2022 Issued
Array ( [id] => 17931311 [patent_doc_number] => 20220326436 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-13 [patent_title] => GRATINGS WITH VARIABLE DEPTHS FORMED USING PLANARIZATION FOR WAVEGUIDE DISPLAYS [patent_app_type] => utility [patent_app_number] => 17/849065 [patent_app_country] => US [patent_app_date] => 2022-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10039 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17849065 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/849065
Gratings with variable depths formed using planarization for waveguide displays Jun 23, 2022 Issued
Array ( [id] => 19970885 [patent_doc_number] => 12339490 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-24 [patent_title] => Clock signal distribution using photonic fabric [patent_app_type] => utility [patent_app_number] => 17/807699 [patent_app_country] => US [patent_app_date] => 2022-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 19381 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 277 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17807699 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/807699
Clock signal distribution using photonic fabric Jun 16, 2022 Issued
Array ( [id] => 18832107 [patent_doc_number] => 20230400634 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-14 [patent_title] => HETEROGENEOUSLY INTEGRATED PHOTONIC PLATFORM WITH NON-LINEAR FREQUENCY CONVERSION ELEMENT [patent_app_type] => utility [patent_app_number] => 17/838325 [patent_app_country] => US [patent_app_date] => 2022-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7229 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17838325 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/838325
Heterogeneously integrated photonic platform with non-linear frequency conversion element Jun 12, 2022 Issued
Array ( [id] => 18527243 [patent_doc_number] => 11714233 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-01 [patent_title] => Optical signal routing devices and systems [patent_app_type] => utility [patent_app_number] => 17/835464 [patent_app_country] => US [patent_app_date] => 2022-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 13134 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 232 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17835464 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/835464
Optical signal routing devices and systems Jun 7, 2022 Issued
Array ( [id] => 19347974 [patent_doc_number] => 20240256938 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-01 [patent_title] => OPTICAL ADDRESSING METHODS AND APPARATUS [patent_app_type] => utility [patent_app_number] => 18/560747 [patent_app_country] => US [patent_app_date] => 2022-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7667 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -46 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18560747 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/560747
OPTICAL ADDRESSING METHODS AND APPARATUS May 16, 2022 Pending
Array ( [id] => 18741150 [patent_doc_number] => 20230350131 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => TECHNOLOGIES FOR SIGNAL AMPLIFICATION FOR A PHOTONIC INTEGRATED CIRCUIT [patent_app_type] => utility [patent_app_number] => 17/733302 [patent_app_country] => US [patent_app_date] => 2022-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13075 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 35 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17733302 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/733302
TECHNOLOGIES FOR SIGNAL AMPLIFICATION FOR A PHOTONIC INTEGRATED CIRCUIT Apr 28, 2022 Pending
Array ( [id] => 17793714 [patent_doc_number] => 20220252806 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-11 [patent_title] => Assembly of 2-Dimensional Matrix of Optical Transmitter or Receiver Based On Wet Etched Silicon Interposer [patent_app_type] => utility [patent_app_number] => 17/731979 [patent_app_country] => US [patent_app_date] => 2022-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4618 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 258 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17731979 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/731979
Assembly of 2-Dimensional Matrix of Optical Transmitter or Receiver Based On Wet Etched Silicon Interposer Apr 27, 2022 Abandoned
Array ( [id] => 17984056 [patent_doc_number] => 20220350093 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-03 [patent_title] => Optical Fiber Pitch Adjustment [patent_app_type] => utility [patent_app_number] => 17/729480 [patent_app_country] => US [patent_app_date] => 2022-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4993 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17729480 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/729480
Optical fiber pitch adjustment Apr 25, 2022 Issued
Array ( [id] => 18727351 [patent_doc_number] => 20230341637 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-26 [patent_title] => WAVEGUIDES AND EDGE COUPLERS WITH MULTIPLE-THICKNESS WAVEGUIDE CORES [patent_app_type] => utility [patent_app_number] => 17/729244 [patent_app_country] => US [patent_app_date] => 2022-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3537 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17729244 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/729244
Waveguides and edge couplers with multiple-thickness waveguide cores Apr 25, 2022 Issued
Array ( [id] => 19616758 [patent_doc_number] => 20240402438 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-05 [patent_title] => FERRULE HOLDING STRUCTURE [patent_app_type] => utility [patent_app_number] => 18/696779 [patent_app_country] => US [patent_app_date] => 2022-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9303 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18696779 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/696779
FERRULE HOLDING STRUCTURE Apr 17, 2022 Pending
Array ( [id] => 19319782 [patent_doc_number] => 20240241326 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-18 [patent_title] => OPTICAL MODULE [patent_app_type] => utility [patent_app_number] => 18/289628 [patent_app_country] => US [patent_app_date] => 2022-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5179 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18289628 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/289628
OPTICAL MODULE Apr 12, 2022 Pending
Array ( [id] => 18694214 [patent_doc_number] => 20230324620 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-12 [patent_title] => HIGH EFFICIENCY GRATING COUPLER DESIGNS AND APPLICATIONS [patent_app_type] => utility [patent_app_number] => 17/718931 [patent_app_country] => US [patent_app_date] => 2022-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7322 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17718931 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/718931
HIGH EFFICIENCY GRATING COUPLER DESIGNS AND APPLICATIONS Apr 11, 2022 Abandoned
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